Palo Alto Caltrain Station
E537939
Palo Alto Caltrain Station is a major commuter rail station in Palo Alto, California, serving as a key transit hub for Caltrain services along the San Francisco Peninsula.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Palo Alto Caltrain station | 3 |
| Palo Alto Caltrain Station canonical | 2 |
| Caltrain Palo Alto Station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5661496 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Palo Alto Caltrain Station Context triple: [Downtown Palo Alto, hasPublicTransitHub, Palo Alto Caltrain Station]
-
A.
Belmont Caltrain station
Belmont Caltrain station is a commuter rail station in Belmont, California, providing Peninsula rail service on the Caltrain line between San Francisco and San Jose.
-
B.
San Carlos Caltrain station
San Carlos Caltrain station is a commuter rail station on the Caltrain line serving the city of San Carlos in San Mateo County, California.
-
C.
Broadway Caltrain station
Broadway Caltrain station is a commuter rail stop in Burlingame, California, serving passengers on Caltrain’s Peninsula Corridor between San Francisco and San Jose.
-
D.
San Bruno Caltrain station
San Bruno Caltrain station is a commuter rail stop on Caltrain’s Peninsula corridor serving passengers in the city of San Bruno, south of San Francisco.
-
E.
Burlingame Caltrain station
Burlingame Caltrain station is a commuter rail station in Burlingame, California, served by Caltrain trains along the San Francisco Peninsula corridor.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Palo Alto Caltrain Station Target entity description: Palo Alto Caltrain Station is a major commuter rail station in Palo Alto, California, serving as a key transit hub for Caltrain services along the San Francisco Peninsula.
-
A.
Belmont Caltrain station
Belmont Caltrain station is a commuter rail station in Belmont, California, providing Peninsula rail service on the Caltrain line between San Francisco and San Jose.
-
B.
San Carlos Caltrain station
San Carlos Caltrain station is a commuter rail station on the Caltrain line serving the city of San Carlos in San Mateo County, California.
-
C.
Broadway Caltrain station
Broadway Caltrain station is a commuter rail stop in Burlingame, California, serving passengers on Caltrain’s Peninsula Corridor between San Francisco and San Jose.
-
D.
San Bruno Caltrain station
San Bruno Caltrain station is a commuter rail stop on Caltrain’s Peninsula corridor serving passengers in the city of San Bruno, south of San Francisco.
-
E.
Burlingame Caltrain station
Burlingame Caltrain station is a commuter rail station in Burlingame, California, served by Caltrain trains along the San Francisco Peninsula corridor.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail station
ⓘ
railway station ⓘ |
| adjacentTo |
El Camino Real
ⓘ
University Avenue ⓘ |
| connectsTo |
SamTrans bus services
ⓘ
Stanford Marguerite Shuttle ⓘ |
| electrification | 25 kV 60 Hz AC overhead (Caltrain corridor) ⓘ |
| hasAddress | 95 University Avenue, Palo Alto, California ⓘ |
| hasBicycleFacilities | yes ⓘ |
| hasFareSystem | Clipper-compatible ⓘ |
| hasFormerOperator | Southern Pacific Railroad ⓘ |
| hasParking | yes ⓘ |
| hasPassengerBuilding | yes ⓘ |
| hasPlatforms | 3 ⓘ |
| hasPlatformType |
island platform
ⓘ
side platform ⓘ |
| hasRegionalSignificance | major Caltrain hub on Peninsula corridor ⓘ |
| hasShelters | yes ⓘ |
| hasStationCode | PA ⓘ |
| hasStructureType | at-grade ⓘ |
| hasStyle | Caltrain ⓘ |
| hasTicketVendingMachines | yes ⓘ |
| hasTracks | 4 ⓘ |
| hasUnderpassOrOverpass | pedestrian underpass ⓘ |
| hasWaitingArea | yes ⓘ |
| hasZone | 3 ⓘ |
| isAccessible | yes ⓘ |
| isKeyTransitHubFor |
Palo Alto
ⓘ
linked to:
Palo Alto, California
Stanford University community ⓘ |
| isMajorStopOn |
Caltrain Baby Bullet services
ⓘ
linked to:
Caltrain
Caltrain limited services ⓘ Caltrain local services ⓘ |
| isOneOf | busiest Caltrain stations ⓘ |
| liesOnCorridorBetween |
San Francisco
ⓘ
San Jose ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Palo Alto, California ⓘ Santa Clara County, California ⓘ
linked to:
Santa Clara County
United States ⓘ
linked to:
United States of America
|
| near | Stanford University ⓘ |
| opened | 19th century ⓘ |
| operatedBy | Caltrain ⓘ |
| ownedBy | Caltrain ⓘ |
| partOfLine |
Caltrain Peninsula Corridor
ⓘ
linked to:
Caltrain
|
| servedBy | Caltrain ⓘ |
| serves |
San Francisco Peninsula commuters
ⓘ
Silicon Valley commuters ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Palo Alto Caltrain Station Description of subject: Palo Alto Caltrain Station is a major commuter rail station in Palo Alto, California, serving as a key transit hub for Caltrain services along the San Francisco Peninsula.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Palo Alto Caltrain Station
linked to: Palo Alto Caltrain Station
subject linked to:
University Avenue
linked to: Palo Alto Caltrain Station
subject linked to:
Emerson Street
linked to: Palo Alto Caltrain Station
subject linked to:
Bryant Street